diff --git a/src/hooks/useWorkorders.js b/src/hooks/useWorkorders.js
index b65f4a8..0e835d7 100644
--- a/src/hooks/useWorkorders.js
+++ b/src/hooks/useWorkorders.js
@@ -117,22 +117,19 @@ export function useWorkorders(filters = {}) {
         queries.push(Query.limit(activeFilters.limit))
       }
       
+      // Appwrite Query.equal mit Array = OR-Match. Serverseitig filtern, damit
+      // das Limit erst NACH dem Statusfilter greift (sonst wuerden archivierte
+      // Tickets die neuesten Slots belegen und aktive verdraengen).
       if (activeFilters.status && activeFilters.status.length > 0) {
-        if (activeFilters.status.length === 1) {
-          queries.push(Query.equal('status', activeFilters.status[0]))
-        }
+        queries.push(Query.equal('status', activeFilters.status))
       }
-      
+
       if (activeFilters.type && activeFilters.type.length > 0) {
-        if (activeFilters.type.length === 1) {
-          queries.push(Query.equal('type', activeFilters.type[0]))
-        }
+        queries.push(Query.equal('type', activeFilters.type))
       }
-      
+
       if (activeFilters.priority && activeFilters.priority.length > 0) {
-        if (activeFilters.priority.length === 1) {
-          queries.push(Query.equal('priority', activeFilters.priority[0]))
-        }
+        queries.push(Query.equal('priority', activeFilters.priority))
       }
       
       if (activeFilters.customerId) {
@@ -156,23 +153,8 @@ export function useWorkorders(filters = {}) {
         COLLECTIONS.WORKORDERS,
         queries
       )
-      
-      // Clientseitige Filterung für Arrays (da Query.or() nicht verfügbar ist)
-      let filteredDocs = response.documents
-      
-      if (activeFilters.status && activeFilters.status.length > 1) {
-        filteredDocs = filteredDocs.filter(doc => activeFilters.status.includes(doc.status))
-      }
-      
-      if (activeFilters.type && activeFilters.type.length > 1) {
-        filteredDocs = filteredDocs.filter(doc => activeFilters.type.includes(doc.type))
-      }
-      
-      if (activeFilters.priority && activeFilters.priority.length > 1) {
-        filteredDocs = filteredDocs.filter(doc => activeFilters.priority.includes(doc.priority))
-      }
-      
-      setWorkorders(filteredDocs)
+
+      setWorkorders(response.documents)
       setError(null)
     } catch (err) {
       let errorMessage = err.message || 'Fehler beim Laden der Tickets'
diff --git a/src/lib/leads.js b/src/lib/leads.js
index eea4a0d..0625bd3 100644
--- a/src/lib/leads.js
+++ b/src/lib/leads.js
@@ -13,6 +13,19 @@ export function customerStage(c) {
   return 'customer' // Bestandsdaten ohne Status gelten als fester Kunde
 }
 
+/** Archiviert = aus der Standardansicht ausgeblendet (orthogonal zur CRM-Stufe). */
+export function isArchived(c) {
+  return Boolean(c?.archived)
+}
+
+/** Kunde archivieren / wiederherstellen. */
+export async function setCustomerArchived(customer, archived) {
+  return databases.updateDocument(DATABASE_ID, COLLECTIONS.CUSTOMERS, customer.$id, {
+    archived: Boolean(archived),
+    updatedAt: new Date().toISOString(),
+  })
+}
+
 function ninjaPayload(c) {
   return {
     name: c.companyName || c.name,
diff --git a/src/pages/CustomerDetailPage.jsx b/src/pages/CustomerDetailPage.jsx
index 578325b..743172e 100644
--- a/src/pages/CustomerDetailPage.jsx
+++ b/src/pages/CustomerDetailPage.jsx
@@ -1,6 +1,6 @@
 import { useState, useEffect, useCallback } from 'react'
 import { useParams, Link } from 'react-router-dom'
-import { FaSpinner, FaStar, FaArrowLeft, FaFloppyDisk, FaArrowUp, FaKey, FaArrowUpRightFromSquare } from 'react-icons/fa6'
+import { FaSpinner, FaStar, FaArrowLeft, FaFloppyDisk, FaArrowUp, FaKey, FaArrowUpRightFromSquare, FaBoxArchive, FaBoxOpen } from 'react-icons/fa6'
 import { databases, DATABASE_ID, COLLECTIONS, Query } from '../lib/appwrite'
 import { PageHeader, Card, Button, Badge, Tabs, EmptyState, Field } from '../components/ui'
 import { StatusPill, PriorityPill } from '../components/ui/StatusPill'
@@ -10,7 +10,7 @@ import AssignedProjectCard from '../components/AssignedProjectCard'
 import CopyableCredential, { getCustomerPortalPassword } from '../components/CopyableCredential'
 import { updateCustomerWithPortalAccess } from '../lib/customerAdminApi'
 import { useWebsiteProjects } from '../hooks/useWebsiteProjects'
-import { customerStage, isInvoiceReady, upgradeToCustomer, syncCustomerToNinja } from '../lib/leads'
+import { customerStage, isArchived, isInvoiceReady, setCustomerArchived, upgradeToCustomer, syncCustomerToNinja } from '../lib/leads'
 
 const PORTAL_URL = 'https://project.webklar.com'
 
@@ -47,8 +47,14 @@ export default function CustomerDetailPage() {
   if (error || !customer) return <div className="page"><EmptyState title="Kunde nicht gefunden" hint={error} action={<Button as={Link} to="/customers"><FaArrowLeft /> Zurueck</Button>} /></div>
 
   const stage = customerStage(customer)
+  const archived = isArchived(customer)
   const syntheticTicket = { customerId: customer.$id, customerName: customer.name, woid: '' }
 
+  const toggleArchived = async () => {
+    await setCustomerArchived(customer, !archived)
+    await load()
+  }
+
   return (
     <div className="page">
       <PageHeader
@@ -59,10 +65,18 @@ export default function CustomerDetailPage() {
             {stage === 'lead' && <Badge tone="warn" dot>Lead</Badge>}
             {stage === 'customer' && <Badge tone="ok" dot>Fester Kunde</Badge>}
             {stage === 'lost' && <Badge tone="muted">Abgesagt</Badge>}
+            {archived && <Badge tone="muted"><FaBoxArchive /> Archiviert</Badge>}
           </span>
         }
         subtitle={[customer.location, customer.email, customer.phone].filter(Boolean).join(' � ')}
-        actions={<Button variant="ghost" as={Link} to="/customers"><FaArrowLeft /> Alle Kunden</Button>}
+        actions={
+          <>
+            <Button variant="ghost" onClick={toggleArchived}>
+              {archived ? <><FaBoxOpen /> Wiederherstellen</> : <><FaBoxArchive /> Archivieren</>}
+            </Button>
+            <Button variant="ghost" as={Link} to="/customers"><FaArrowLeft /> Alle Kunden</Button>
+          </>
+        }
       />
 
       <Tabs tabs={TABS} active={tab} onChange={setTab} />
diff --git a/src/pages/CustomersPage.jsx b/src/pages/CustomersPage.jsx
index af56ce2..942ba31 100644
--- a/src/pages/CustomersPage.jsx
+++ b/src/pages/CustomersPage.jsx
@@ -3,19 +3,23 @@ import { Link } from 'react-router-dom'
 import { FaSpinner, FaPlus, FaStar, FaFileInvoiceDollar, FaFileLines } from 'react-icons/fa6'
 import { useCustomers } from '../hooks/useCustomers'
 import { useAuth } from '../context/AuthContext'
-import { createLead, customerStage } from '../lib/leads'
+import { createLead, customerStage, isArchived } from '../lib/leads'
 import { PageHeader, Card, Button, Badge, EmptyState, Field } from '../components/ui'
 
 export default function CustomersPage() {
   const { customers, loading, refresh } = useCustomers()
   const { user } = useAuth()
   const [search, setSearch] = useState('')
-  const [stage, setStage] = useState('all') // all | lead | customer
+  const [stage, setStage] = useState('all') // all | lead | customer | archived
   const [showCreate, setShowCreate] = useState(false)
 
   const filtered = useMemo(() => {
     return (customers || [])
       .filter((c) => {
+        const archived = isArchived(c)
+        // Archivierte nur im Archiviert-Tab, sonst nie
+        if (stage === 'archived') return archived
+        if (archived) return false
         const st = customerStage(c)
         if (st === 'lost') return stage === 'all'
         if (stage === 'all') return true
@@ -56,6 +60,7 @@ export default function CustomersPage() {
             <button className={stage === 'all' ? 'active' : ''} onClick={() => setStage('all')}>Alle</button>
             <button className={stage === 'lead' ? 'active' : ''} onClick={() => setStage('lead')}>Leads</button>
             <button className={stage === 'customer' ? 'active' : ''} onClick={() => setStage('customer')}>Feste Kunden</button>
+            <button className={stage === 'archived' ? 'active' : ''} onClick={() => setStage('archived')}>Archiviert</button>
           </div>
           <input className="form-control search-input" placeholder="Kunde suchen..." value={search} onChange={(e) => setSearch(e.target.value)} style={{ maxWidth: 320 }} />
         </div>
@@ -77,11 +82,12 @@ export default function CustomersPage() {
                       <div style={{ fontWeight: 700, display: 'flex', alignItems: 'center', gap: 8 }}>
                         {c.importantCustomer && <FaStar style={{ color: 'var(--warn)' }} title="Wichtiger Kunde" />}
                         {c.name}
-                        {c.code && <span className="faint" style={{ fontWeight: 400 }}>· {c.code}</span>}
+                        {c.code && <span className="faint" style={{ fontWeight: 400 }}>� {c.code}</span>}
                       </div>
-                      <div className="muted">{[c.location, c.email].filter(Boolean).join(' · ') || '-'}</div>
+                      <div className="muted">{[c.location, c.email].filter(Boolean).join(' � ') || '-'}</div>
                     </div>
                     <div className="flex gap-2 wrap" style={{ justifyContent: 'flex-end' }}>
+                      {isArchived(c) && <Badge tone="muted">Archiviert</Badge>}
                       {st === 'lead' && <Badge tone="warn" dot>Lead</Badge>}
                       {st === 'customer' && <Badge tone="ok" dot>Fester Kunde</Badge>}
                       {st === 'lost' && <Badge tone="muted">Abgesagt</Badge>}
diff --git a/src/pages/TicketsPage.jsx b/src/pages/TicketsPage.jsx
index efb8f11..2615c5d 100644
--- a/src/pages/TicketsPage.jsx
+++ b/src/pages/TicketsPage.jsx
@@ -7,15 +7,28 @@ import CreateTicketModal from '../components/CreateTicketModal'
 import QuickOverviewModal from '../components/QuickOverviewModal'
 import { PageHeader, Card, Button, EmptyState } from '../components/ui'
 
-const STATUS_PRESETS = ['Open', 'Occupied', 'Assigned', 'Awaiting', 'Added Info']
+// Alle Ticket-Status; "Closed" gilt als archiviert und ist standardmaessig ausgeblendet
+const ALL_STATUSES = [
+  'Open', 'Occupied', 'Assigned', 'Awaiting', 'Added Info',
+  'In Test', 'Halted', 'Aborted', 'Cancelled', 'Closed',
+]
+const ARCHIVED_STATUSES = ['Closed']
+const DEFAULT_STATUSES = ALL_STATUSES.filter((s) => !ARCHIVED_STATUSES.includes(s))
 
 export default function TicketsPage() {
   const [limit, setLimit] = useState(10)
-  const [filters, setFilters] = useState({ status: STATUS_PRESETS, type: [], priority: [], limit: 10 })
+  const [filters, setFilters] = useState({ status: DEFAULT_STATUSES, type: [], priority: [], limit: 10 })
+  const [statusSel, setStatusSel] = useState(DEFAULT_STATUSES)
   const [localFilters, setLocalFilters] = useState({
     woid: '', customer: '', userTopic: '', createdDate: '', type: '', system: '', priority: '',
   })
 
+  const toggleStatus = (status) => {
+    setStatusSel((prev) =>
+      prev.includes(status) ? prev.filter((s) => s !== status) : [...prev, status]
+    )
+  }
+
   const { workorders, loading, error, refresh, updateWorkorder, createWorkorder } = useWorkorders(filters)
   const { customers } = useCustomers()
 
@@ -26,6 +39,7 @@ export default function TicketsPage() {
   const applyFilters = () => {
     setFilters((prev) => ({
       ...prev,
+      status: statusSel.length ? statusSel : ALL_STATUSES,
       woid: localFilters.woid || undefined,
       customer: localFilters.customer || undefined,
       userTopic: localFilters.userTopic || undefined,
@@ -92,6 +106,22 @@ export default function TicketsPage() {
                 <option value="3">Hoch</option><option value="4">Kritisch</option>
               </select>
             </div>
+            <div style={{ marginTop: 16 }}>
+              <div className="flex gap-2 wrap" style={{ alignItems: 'center', marginBottom: 8 }}>
+                <span className="muted" style={{ fontSize: 13, fontWeight: 600 }}>Status</span>
+                <button type="button" onClick={() => setStatusSel(DEFAULT_STATUSES)} style={{ fontSize: 12, background: 'none', border: 'none', color: 'var(--accent)', cursor: 'pointer', padding: 0 }}>Standard</button>
+                <button type="button" onClick={() => setStatusSel(ALL_STATUSES)} style={{ fontSize: 12, background: 'none', border: 'none', color: 'var(--accent)', cursor: 'pointer', padding: 0 }}>Alle inkl. Archiv</button>
+              </div>
+              <div className="flex gap-3 wrap">
+                {ALL_STATUSES.map((status) => (
+                  <label key={status} className="flex items-center gap-2" style={{ cursor: 'pointer', fontSize: 14 }}>
+                    <input type="checkbox" checked={statusSel.includes(status)} onChange={() => toggleStatus(status)} />
+                    {status}
+                    {ARCHIVED_STATUSES.includes(status) && <span className="faint" style={{ fontSize: 11 }}>(Archiv)</span>}
+                  </label>
+                ))}
+              </div>
+            </div>
             <div className="flex gap-2 wrap" style={{ marginTop: 12 }}>
               <Button variant="ghost" size="sm" onClick={() => { setFilters((p) => ({ ...p, priority: [4] })); setTimeout(refresh, 0) }}>Kritische</Button>
               <Button variant="ghost" size="sm" onClick={() => { setFilters((p) => ({ ...p, priority: [3] })); setTimeout(refresh, 0) }}>Hohe</Button>